HBASE-9450 TestDistributedLogSplitting fails

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1520613 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9437 hbase.regionserver.checksum.verify default is true

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1520634 13f79535-47bb-0310-9956-ffa450edef68
Merge branch 'trunk' of github.com:apache/hbase into clean